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National Stock Number:
3040-01-125-6925
Federal Supply Class:
3040
National Item Identification Number:
011256925
Description:
SHAFT,SHOULDERED
Detail:
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
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Manufacturer Information:
| 65125-11214-101 | 64724 | ARGENCORD MACHINE CORP INC | | 65125-11214-101 | 65780 | TEK PRECISION CO LIMITED | | 65125-11214-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | CSPY | | END SIMILARITY | IDENTICAL | | FIRST END DISTANCE FROM HOLE CENTER TO END | 0.228 INCHES NOMINAL | | FIRST END DIAMETER | 0.7470 INCHES MINIMUM AND 0.7479 INCHES MAXIMUM | | FIRST END HOLE DIAMETER | 0.1400 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM | | FIRST END STYLE | UNTHREADED CROSS DRILLED | | LARGEST STEP DIAMETER | 0.8720 INCHES MINIMUM AND 0.8729 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4340 | | OVERALL LENGTH | 2.644 INCHES MINIMUM AND 2.654 INCHES MAXIMUM | | STEP QUANTITY | 3 | | SURFACE FINISH | 32.0 MICROINCHES |
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